/* === 基础重置 === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-card-hover: #222636;
  --border: #2a2e3d;
  --text: #e4e6ed;
  --text-dim: #8b8fa3;
  --accent: #4f8cff;
  --accent-glow: rgba(79,140,255,0.25);
  --green: #34d399;
  --green-glow: rgba(52,211,153,0.3);
  --red: #f87171;
  --red-glow: rgba(248,113,113,0.3);
  --orange: #fb923c;
  --orange-glow: rgba(251,146,60,0.3);
  --yellow: #fbbf24;
  --purple: #a78bfa;
  --radius: 12px;
  --radius-sm: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

/* === 布局 === */
.app {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 20px 20px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.topbar-left { display: flex; align-items: center; gap: 10px; }
.topbar-left h1 { font-size: 18px; font-weight: 600; }
.logo-icon { font-size: 22px; }
.topbar-right { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-dim); }

.ws-dot {
  width: 8px; height: 8px; border-radius: 50%; display: inline-block;
}
.ws-dot.online  { background: var(--green); box-shadow: 0 0 6px var(--green-glow); }
.ws-dot.offline { background: var(--red); }

/* === 设置面板 === */
.settings-drawer {
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  display: none;
  animation: slideDown 0.2s ease;
}
.settings-drawer.open { display: block; }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  margin-bottom: 16px;
}
@media (max-width: 860px) {
  .settings-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .settings-grid { grid-template-columns: 1fr; }
}

.setting-group { display: flex; flex-direction: column; gap: 4px; }
.setting-group label {
  font-size: 12px; color: var(--text-dim); font-weight: 500;
}
.setting-group input[type="text"],
.setting-group input[type="number"] {
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 8px 12px; font-size: 13px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  transition: border-color 0.15s;
}
.setting-group input:focus {
  outline: none; border-color: var(--accent);
}

.setting-group-row { justify-content: flex-end; }
.checkbox-label {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text); cursor: pointer; user-select: none;
}
.checkbox-label input[type="checkbox"] {
  accent-color: var(--accent); width: 16px; height: 16px;
}

.settings-actions {
  display: flex; gap: 10px;
}
.settings-actions .btn { padding: 8px 24px; }

.btn-settings {
  background: rgba(79,140,255,0.1); color: var(--accent);
  border: 1px solid rgba(79,140,255,0.25); border-radius: var(--radius-sm);
  padding: 5px 14px; font-size: 13px; cursor: pointer;
  transition: all 0.15s;
}
.btn-settings:hover { background: rgba(79,140,255,0.2); }
.btn-settings.active { background: var(--accent); color: #fff; }

.main-grid {
  display: grid;
  grid-template-columns: 520px minmax(0, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

@media (max-width: 1080px) {
  .main-grid { grid-template-columns: 1fr; }
}

/* === 锁面板（左侧） === */
.lock-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.lock-header { text-align: center; margin-bottom: 20px; }
.lock-id {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
  overflow-wrap: anywhere;
}
.lock-meta { margin-top: 6px; display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.meta-tag {
  font-size: 11px; color: var(--text-dim); background: var(--bg);
  padding: 2px 10px; border-radius: 20px; border: 1px solid var(--border);
}

/* 电子锁屏幕：模拟固件收到 URL 后通过 HTTPS 下载并展示壁纸 */
.lock-screen {
  position: relative;
  width: 210px;
  aspect-ratio: 9 / 16;
  margin: 0 auto 20px;
  overflow: hidden;
  border: 5px solid #080a0f;
  border-radius: 20px;
  background: linear-gradient(155deg, #20263a, #0b0e16);
  box-shadow: 0 14px 36px rgba(0,0,0,0.45), inset 0 0 0 1px #303544;
}
.lock-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.wallpaper-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--text-dim);
  text-align: center;
}
.wallpaper-placeholder span { font-size: 36px; }
.wallpaper-placeholder strong { color: var(--text); font-size: 14px; }
.wallpaper-placeholder small { max-width: 150px; font-size: 11px; }
.lock-screen-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 22px 12px 16px;
  color: #fff;
  pointer-events: none;
  text-shadow: 0 1px 6px rgba(0,0,0,0.9);
  background: linear-gradient(to bottom, rgba(0,0,0,0.28), transparent 28%, transparent 70%, rgba(0,0,0,0.38));
}
.lock-screen-time { font-size: 28px; font-weight: 600; letter-spacing: 1px; }
.lock-screen-state { font-size: 13px; font-weight: 600; }

/* 锁可视化 */
.lock-visual { display: flex; justify-content: center; margin: 24px 0; }
.lock-body { text-align: center; }
.lock-ring {
  width: 140px; height: 140px; border-radius: 50%;
  border: 4px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto;
  transition: all 0.5s ease;
  position: relative;
}
.lock-ring.locked {
  border-color: var(--green);
  box-shadow: 0 0 30px var(--green-glow), inset 0 0 20px rgba(52,211,153,0.08);
}
.lock-ring.unlocked {
  border-color: var(--orange);
  box-shadow: 0 0 30px var(--orange-glow), inset 0 0 20px rgba(251,146,60,0.08);
}
.lock-ring.alarm {
  border-color: var(--red);
  box-shadow: 0 0 30px var(--red-glow), inset 0 0 20px rgba(248,113,113,0.08);
  animation: pulse-alarm 1s ease-in-out infinite;
}
.lock-ring.offline-ring {
  border-color: var(--border);
  opacity: 0.5;
}
@keyframes pulse-alarm {
  0%, 100% { box-shadow: 0 0 30px var(--red-glow); }
  50% { box-shadow: 0 0 50px var(--red-glow), 0 0 80px rgba(248,113,113,0.15); }
}

.lock-icon { color: var(--green); transition: color 0.3s; }
.lock-ring.unlocked .lock-icon { color: var(--orange); }
.lock-ring.alarm .lock-icon { color: var(--red); }
.lock-ring.offline-ring .lock-icon { color: var(--text-dim); }

#lockShackle { transition: d 0.4s ease, transform 0.4s ease; }
.lock-ring.unlocked #lockShackle,
.lock-ring.alarm #lockShackle {
  transform: translateY(-6px) rotate(-15deg);
  transform-origin: 20px 28px;
}

.lock-status-label {
  margin-top: 12px; font-size: 14px; font-weight: 600;
  color: var(--green); transition: color 0.3s;
}
.lock-status-label.unlocked { color: var(--orange); }
.lock-status-label.alarm { color: var(--red); }
.lock-status-label.offline { color: var(--text-dim); }

/* 状态指标网格 */
.status-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  margin-bottom: 20px;
}
.status-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex; align-items: center; gap: 10px;
}
.status-icon { font-size: 18px; flex-shrink: 0; }
.status-label { font-size: 11px; color: var(--text-dim); }
.status-value { font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 6px; }

.battery-bar-wrap {
  width: 50px; height: 8px; background: var(--bg-card);
  border-radius: 4px; overflow: hidden; border: 1px solid var(--border);
}
.battery-bar {
  height: 100%; background: var(--green); border-radius: 4px;
  transition: width 0.3s, background 0.3s;
}
.battery-bar.low { background: var(--red); }
.battery-bar.mid { background: var(--yellow); }

.mqtt-status { font-weight: 600; }
.mqtt-status.online { color: var(--green); }
.mqtt-status.offline { color: var(--red); }

/* 连接控制 */
.conn-controls { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

/* === 操作面板（右侧） === */
.control-panel {
  display: flex; flex-direction: column; gap: 16px;
}

.panel-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.section-title {
  font-size: 14px; font-weight: 600; color: var(--text-dim);
  margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.5px;
}

.action-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 8px;
}

/* 参数调节 */
.param-grid { display: flex; flex-direction: column; gap: 12px; }
.param-row { display: flex; align-items: center; gap: 10px; }
.param-row label { width: 70px; font-size: 13px; color: var(--text-dim); flex-shrink: 0; }
.param-row input[type="range"] { flex: 1; accent-color: var(--accent); }
.param-row span { width: 50px; text-align: right; font-size: 13px; font-weight: 600; }
.param-row select {
  flex: 1; background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 6px 10px; font-size: 13px;
}

/* 自定义事件 */
.custom-event-form { display: flex; flex-direction: column; gap: 8px; }
.custom-event-form input,
.custom-event-form textarea {
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 8px 12px; font-size: 13px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  resize: vertical;
}
.custom-event-form input:focus,
.custom-event-form textarea:focus {
  outline: none; border-color: var(--accent);
}

/* === 按钮 === */
.btn {
  border: none; border-radius: var(--radius-sm); padding: 8px 14px;
  font-size: 13px; font-weight: 500; cursor: pointer;
  transition: all 0.15s; display: inline-flex; align-items: center;
  justify-content: center; gap: 4px;
}
.btn:active { transform: scale(0.97); }

.btn-unlock { background: rgba(52,211,153,0.12); color: var(--green); border: 1px solid rgba(52,211,153,0.2); }
.btn-unlock:hover { background: rgba(52,211,153,0.2); }

.btn-fail { background: rgba(251,146,60,0.12); color: var(--orange); border: 1px solid rgba(251,146,60,0.2); }
.btn-fail:hover { background: rgba(251,146,60,0.2); }

.btn-alarm { background: rgba(248,113,113,0.12); color: var(--red); border: 1px solid rgba(248,113,113,0.2); }
.btn-alarm:hover { background: rgba(248,113,113,0.2); }

.btn-connect { background: var(--accent); color: #fff; }
.btn-connect:hover { background: #3d78eb; }

.btn-disconnect { background: rgba(248,113,113,0.12); color: var(--red); border: 1px solid rgba(248,113,113,0.2); }
.btn-disconnect:hover { background: rgba(248,113,113,0.2); }

.btn-offline { background: rgba(251,146,60,0.12); color: var(--orange); border: 1px solid rgba(251,146,60,0.2); }
.btn-offline:hover { background: rgba(251,146,60,0.2); }

.btn-reconnect { background: rgba(79,140,255,0.12); color: var(--accent); border: 1px solid rgba(79,140,255,0.2); }
.btn-reconnect:hover { background: rgba(79,140,255,0.2); }

.btn-heartbeat { background: rgba(167,139,250,0.12); color: var(--purple); border: 1px solid rgba(167,139,250,0.2); }
.btn-heartbeat:hover { background: rgba(167,139,250,0.2); }

.btn-send { background: var(--accent); color: #fff; }
.btn-send:hover { background: #3d78eb; }

/* === 日志面板 === */
.log-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.log-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 18px; border-bottom: 1px solid var(--border);
}
.log-header h3 { font-size: 14px; font-weight: 600; color: var(--text-dim); }
.btn-clear {
  background: transparent; color: var(--text-dim); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 4px 12px; font-size: 12px; cursor: pointer;
}
.btn-clear:hover { background: var(--bg); }

.log-list {
  height: 240px; overflow-y: auto; padding: 8px 0;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 12px; line-height: 1.7;
}
.log-list::-webkit-scrollbar { width: 6px; }
.log-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.log-entry { padding: 2px 18px; display: flex; gap: 8px; }
.log-entry:hover { background: var(--bg); }
.log-ts { color: var(--text-dim); flex-shrink: 0; }
.log-level { font-weight: 600; flex-shrink: 0; min-width: 60px; }
.log-level.info { color: var(--accent); }
.log-level.warn { color: var(--yellow); }
.log-level.cmd { color: var(--purple); }
.log-level.event { color: var(--green); }
.log-level.cred { color: #38bdf8; }
.log-level.config { color: #38bdf8; }
.log-msg { color: var(--text); word-break: break-all; }
.log-data { color: var(--text-dim); }

/* === 通知推送测试 === */
.notif-test-group {}
.notif-group-label {
  display: block; font-size: 12px; color: var(--text-dim);
  font-weight: 500; margin-bottom: 8px;
}
.btn-notif {
  background: rgba(167,139,250,0.10); color: var(--purple);
  border: 1px solid rgba(167,139,250,0.2);
}
.btn-notif:hover { background: rgba(167,139,250,0.2); }

.notif-form { display: flex; flex-direction: column; gap: 10px; }
.notif-form-row { display: flex; gap: 10px; }
.notif-form-row > .notif-field { flex: 1; min-width: 0; }
.notif-field { display: flex; flex-direction: column; gap: 3px; }
.notif-field label {
  font-size: 11px; color: var(--text-dim); font-weight: 500;
}
.notif-field .required { color: var(--red); }
.notif-field input,
.notif-field textarea,
.notif-field select {
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 7px 10px; font-size: 13px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
}
.notif-field textarea {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
  resize: vertical;
}
.notif-field input:focus,
.notif-field textarea:focus,
.notif-field select:focus {
  outline: none; border-color: var(--accent);
}

@media (max-width: 600px) {
  .notif-form-row { flex-direction: column; }
}

/* === 设备端凭据操作（up/cred_op） === */
.cred-op-form { display: flex; flex-direction: column; gap: 10px; }
.cred-op-form input:disabled,
.cred-op-form select:disabled { opacity: 0.4; cursor: not-allowed; }
.cred-op-actions { display: flex; align-items: center; gap: 12px; }
.cred-op-pending {
  font-size: 12px; color: var(--text-dim);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 4px 10px;
}
.cred-op-pending.has-pending {
  color: var(--yellow); border-color: rgba(251,191,36,0.4);
}

/* 开锁动画 */
@keyframes unlock-flash {
  0% { background: transparent; }
  20% { background: rgba(52,211,153,0.08); }
  100% { background: transparent; }
}
.lock-panel.flash-unlock { animation: unlock-flash 1s ease; }

@keyframes alarm-flash {
  0% { background: var(--bg-card); }
  20% { background: rgba(248,113,113,0.08); }
  100% { background: var(--bg-card); }
}
.lock-panel.flash-alarm { animation: alarm-flash 1s ease; }